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Manuscript received 17 July 1997. Initial reviews completed 5 September 1997. Revision accepted 5 November, 1997.
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* Nutritional Science Center, Bioscience Laboratories, Meiji Seika Kaisha, Ltd., Saitama 350-02, Japan;
Department of Nutrition, Faculty of Agriculture, Tokyo University of Agriculture, Tokyo 156, Japan; and ** Department of Bioscience and Chemistry, Faculty of Agriculture, Hokkaido University, Sapporo 060, Japan
Gastrectomized rats develop anemia and osteopenia, and ingestion of fructooligosaccharides leads to an increase in iron absorption and promotes recovery from anemia in iron-deficient rats. Laparotomized (sham-operated control) rats and totally gastrectomized (Billoth II) rats, in groups of 14 each, were fed a control diet without fructooligosaccharides or a diet containing fructooligosaccharides (75 g/kg of diet) for 6 wk. All rats received an intramuscular injection of vitamin B-12 every 2 wk. Tail blood was collected every week for determination of hematocrit and hemoglobin concentration. At the end of the experiment, the rats were killed and the femur and tibia were collected for measurement of bone mineral density (BMD). The hematocrit, hemoglobin concentration, hemoglobin regeneration efficiency, and BMD of both femurs and tibias were significantly lower in gastrectomized rats fed the control diet than in the other three groups. Dietary fructooligosaccharides prevented anemia and osteopenia in totally gastrectomized rats.
Key words: rats, gastrectomy, fructooligosaccharides, anemia, osteopenia.
The Journal of Nutrition Vol. 128 No. 3 March 1998,
pp. 485-490
Copyright ©1998 by the American Society for Nutritional Sciences
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